Hello,
I am trying to make pmd level of the translation table as read only so that any writes in the pte entries should cause a permission fault.
Current steps which i am doing are:
1) inside kernel space, allocating 2 pointers (say p, q) and allocating…
Hi,
I'm using a Juno r1 board and I'm trying to get processor's related CPU ID without using any header file like function sched_getcpu from sched.h.
The reason is I want to get the CPU number for TrustZone application and there is no way to…
Hi All,
I am using ARM v8-A Foundation Platform to debug my code. According to user guide, the base address of UART0 in system is 0x1c090000, so I use the following code to try to print a char via UART0:
*(volatile unsigned char *)(0x1c09000 + offset_of_tx_fifo…
Dear ARM Forum,
I want to understand more about UEFI for ARM-V8 based Embedded systems.
1. Is UEFI on ARM-V8 Linux platform is good or bad ? why ?
2. How UEFI is better than conventional Embedded Booting system?
First-stage-Boot-loader --> U-Boot -…
Hi,
I'm trying to enable PMU's on arm versatile juno r2 development board.
I've already read this manuals from arm:
ARM ® Cortex ® -A72 MPCore Processor
ARM® Cortex ® -A53 MPCore Processor
Juno r2 ARM® Development Platform SoC…
To develop, port and debug the Linux kernel on a platform, you will need to be able to set breakpoints, view registers, view memory, single-step at source level and so on - all the normal facilities provided by a debugger. You may also need to do these…
Hi there,
I have been going through a lot of ARMv8 documents, and I have a very basic question:
-Can I take a Linux Kernel, compiled for a ARMv7 device, and run it on an ARMv8 device in Aarch32 execution mode?
( Lets assume that the two SOCs are identical…
This blog is an update of one I wrote a couple of years ago, referencing the latest FVP models provided with DS-5 (v5.24 at time of writing) and the latest pre-built Linaro distributions. It is intended for users new to DS-5 and/or users on Windows platforms…
